Asteroid rock sampling mechanical arm device

An asteroid rock sampling mechanical arm device. An output shaft of a first gear motor is connected with a sampler base; the sampler base is provided with a second gear motor; an output shaft of the second gear motor is connected with a first mechanical arm, and the output shaft of the second gear motor is connected to one end of the first mechanical arm; the other end of the first mechanical arm is provided with a third gear motor; an output shaft of the third gear motor is connected with a second mechanical arm; the output shaft of the third gear motor is connected to one end of the second mechanical arm; the other end of the second mechanical arm is provided with a fourth gear motor; an output shaft of the fourth gear motor is provided with a third mechanical arm; the output shaft of the fourth gear motor shaft is connected with the middle part of the third mechanical arm; one end of the third mechanical arm is provided with a manipulator; and the other end of the third mechanical arm is provided with a cutting device.